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kkurt [141]
3 years ago
5

Which of the following is NOT a proof or piece of evidence to support the theory of evolution?

Biology
1 answer:
ozzi3 years ago
8 0

The answer is C. molecular biology

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What are preservatives
ryzh [129]

Answer:Hello My name is Marissa and im here to help!

Preservatives are natural or man-made chemicals that are added to foods to stop them from spoiling.

Explanation:hope this helps! brainliesst?

3 0
3 years ago
Look at the graph below. Which statement is true based on the graph of an egg draw. A the speed of the egg is constant B the egg
Dmitriy789 [7]
If there was a graph i could help

5 0
3 years ago
Who discovered that dna was the genetic material or transforming factor that could convert nonvirulent r-type streptococcus pneu
KatRina [158]
Discovery
               In 1928 it was discovered by Frederick Griffith in an experiment generally known as transformation.

Experiment
                 
 In his experiment he considered two strains of <em>streptococus pneumonia,</em> one was R-type which was non-virulent and cause no disease in mice, other was virulent and S-type which cause disease and at last death of mice.
This experiment was comprised of four steps which are as follow:

 Step 1:
           First he injected living strain of S into mice, after sometime mouce died.

Step 2:
          He injected living strain of R into mice, the mice alive as he did not got any disease.

Step 3:
         He injected heat killed strain of S into mice and mice remain alive.

Step 4:
           He mixed living R strain with heat killed S strain and then inject into mice. As a result the mice died.

Conclusion:
                  It was found that genetic material from heat killed S stain were transferred to living R (non-virulent) strain, as a result R become virulent and cause the death of mice.

7 0
3 years ago
Explain the importance of the blood returning to the heart twice in one cycle​
a_sh-v [17]

Answer:

Explanation:

It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart. The left pump sends the newly oxygenated blood around the body.

6 0
3 years ago
1. _________reproduction is a means of creating new individuals solely by________ the form of cell division that creates genetic
mixer [17]

Answer:

1. asexual, mitosis  2. sexual  3. gametes, meiosis  4. haploid 5. sex cells

Explanation:

Asexual reproduction is the form of reproduction that occurs whereby there is no fusion of gametes or a change in the number of chromosomes. The produced daughter cells are genetically similar to the parent. the form of cell division that occurs here is through a process of mitosis.

Different organisms adopt different type of asexual reproduction including binary fission, spore formation, fragmentation etc.

Sexual reproduction in contrast generates genetically unique organism through the fusion of two different organisms sex cells. To accomplish sexual reproduction, gametes that are haploid through a process of meiosis must be produced which are the egg cell and the sperm cells (the sex cells). These haploid cells are produced only in the germ cells to ensure the production of a diploid zygote.

7 0
3 years ago
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